Suspected epidural compression of the spinal cord and cauda equina by metastatic carcinoma clinical diagnosis and survival

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Abstract
Data from 133 patients with cancer and suspected compression of the spinal cord or cauda equina was reviewed. Although there were differences in presenting symptoms and signs between the group of 62 patients with compression and the 71 without, no single symptom or sign discriminated adequately between the two groups. Multiple logistic regression was used to try to develop an index of signs and symptoms which could identify those without compression, thereby sparing them a myelogram. Eight characteristics, in combination, proved most effective as an index, but they were not perfect predictors of patients with block. Final diagnoses in the group without compression were: vertebral metastases 35%, carcinomatous meningitis 24%, plexopathy and/or neuropathy 21%, other 30% (10% had two diagnoses). Sixty‐six percent of those with compression and 50% of those without compression died within six months, although patients rarely survived for much longer.